What powers 
ooa.nl?
Last seen Jul 2026 · 33 technologies across 19 categories
Analytics
Google Analytics
since Mar 2020
Caching
Redis Object Cache
since Nov 2024
WP Rocket
since Nov 2024
CMS
WordPress
since Nov 2021
Databases
Amazon SES
since Sep 2025
Font scripts
Font Awesome
since Nov 2021
Google Font API
since Nov 2021
JavaScript libraries
Modernizr
since Nov 2021
OWL Carousel
since Nov 2021
Maps
Google Maps
since Nov 2021
Miscellaneous
Open Graph
since Nov 2023
RSS
since Mar 2023
Mobile frameworks
PaaS
Amazon Web Services
since Sep 2025
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Nov 2021
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Nov 2021
Video players
YouTube
since Nov 2023
Web servers
Nginx
since Mar 2020
Webmail
Microsoft 365
since Sep 2022
WordPress plugins
Formidable Form
since Sep 2022
The Events Calendar
since Sep 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.37 / 10 · ranked #422,468 of all domains
42 referring domains · OpenPageRank
Page
- Language: Dutch
- Weight: 2.1 MB · 56 requests
- WordPress theme: ooa · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on DIEDERIK-AS backbone.direct AS50917 T2 transit network (103.141.12.10)
- DNS: ns0.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 11,321,468, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ooa.nl | 24 |
| ooa.nl | 17 |